1. religious festivals or celebrations, especially in Spanish-speaking countries
2. lively parties or celebrations

Examples

• The town celebrates colorful fiestas throughout the summer.
• Local fiestas feature traditional music and dancing.
• We attended several fiestas during our trip to Mexico.
• The neighborhood hosts annual fiestas to honor patron saints.
• Street vendors sell food during the weekend fiestas.
• These fiestas bring the whole community together.
• The fiestas lasted three days with parades and fireworks.